visible portion of the slide.

And that was all-the phosphorescence was gone.

We prepared and examined slide after slide. Twice more we found a tiny shining globe, and each time

with the same result, the bursting corpuscle, the strange flicker of faint luminosity-then nothing.

The laboratory 'phone rang. Hoskins answered.

"It's Braile. He wants you-quick."

"Keep after it, Hoskins," I said, and hastened to Peters' room. Entering, I saw Nurse Walters, face chalk

white, eyes closed, standing with her back turned to the bed. Braile was leaning over the patient,

stethoscope to his heart. I looked at Peters; and stood stock still, something like a touch of unreasoning

panic at my own heart. Upon his face was that look of devilish expectancy, but intensified. As I looked, it